How did john c. calhoun of south carolina view the power of the states and the power of the federal government?

a. he believed strongly in the union and the power of compromise in balancing rights.

b. he believed that the states could ignore other states laws but must obey federal laws.

c. he thought the federal government had final authority over states in all matters.

d. he thought states could decide which federal laws to obey and which to ignore.